Home / 147,656.85-203,695.61-96,647.13

Finding the Fourth Proportional to 147,656.85, 203,695.61 and 96,647.13

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Solution

The fourth proportional to 147,656.85, 203,695.61 and 96,647.13 is: 133,326.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,656.85 : 203,695.61 = 96,647.13 : x
  2. Step 2: Convert to fraction form
    147,656.85/203,695.61 = 96,647.13/x
  3. Step 3: Cross multiply
    147,656.85x = 203,695.61 × 96,647.13
  4. Step 4: Simplify right side
    147,656.85x = 19,686,595,616.86
  5. Step 5: Solve for x
    x = 19,686,595,616.86/147,656.85
  6. Step 6: Final answer
    x = 133,326.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.